Lanes of the Road
Law Enforcement
Federal Wiretap Act

- Federal Bureau of Investigation (FBI)
- U.S. Attorneys Offices
- Defense Criminal Investigative Organizations (DCIO)
  - Air Force Office of Special Investigations (AFOSI)
  - Naval Criminal Investigative Service (NCIS)
  - Criminal Investigative Division (CID)
  - Defense Criminal Investigative Service (DCIS)

An Intrusion Detection Device sounds the alarm! What is it? Prelude to cyberwar, theft of proprietary information, a juvenile hacker? Where attribution and intent are unclear, often the most appropriate response is to initiate a law enforcement investigation, which brings us to the second of our four lanes of the road. Law enforcement agencies include: the Federal Bureau of Investigation, or FBI; the U.S. Attorneys Offices, and the Defense Criminal Investigative Organizations, or DCIOs. DCIOs include the Air Force Office of Special Investigations, or AFOSI; the Naval Criminal Investigative Service, or NCIS; the U.S. Army Criminal Investigative Division, or CID; and the Defense Criminal Investigative Service, or DCIS. Note that the dual nature of some of the agencies, operating as both law enforcement agencies and counterintelligence agencies may complicate application of the law. More will be discussed on this issue in the section on the third lane.
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